38K views · 454 reactions | "Here's a 78-year-old billionaire who has not stopped whining about his problems." Michelle and Barack Obama delivered back-to-back speeches on day two at the Democratic National Convention (DNC) in Chicago. They endorsed Kamala Harris, took aim at Donald Trump and called on Democrats to vote, saying November's election was going to be a close call. This video was first published by BBC News on Wednesday. | BBC News India | Facebook